FPUS65 KTFX 210732 SFTTFX MTZ301>330-221100- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 132 AM MDT Sun Jun 21 2026 ROWS INCLUDE... Daily predominant daytime weather 6AM-6PM Forecast temperatures...early morning low/daytime high Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM - indicates temperatures below zero MM indicates missing data FCST FCST FCST FCST FCST FCST FCST Mon Tue Wed Thu Fri Sat Sun Jun 22 Jun 23 Jun 24 Jun 25 Jun 26 Jun 27 Jun 28 ...CENTRAL MONTANA... Great Falls Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 48/67 44/72 47/79 51/86 55/83 53/73 48/67 20/10 00/00 00/00 00/10 10/20 30/30 30/40 Cut Bank Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Shwrs 43/62 40/71 46/77 49/83 54/77 50/68 46/63 50/10 00/00 00/00 00/10 10/10 10/30 30/50 Havre Ptcldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy Shwrs 46/68 44/73 45/79 51/86 55/86 53/76 49/70 40/30 10/10 00/00 00/10 20/20 40/40 40/50 Helena Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy 50/72 45/77 49/83 52/87 55/83 52/71 47/67 00/20 00/00 00/00 10/20 10/30 30/40 30/30 Lewistown Tstrms Sunny Ptcldy Ptcldy Ptcldy Tstrms Ptcldy 44/64 41/68 42/74 46/79 50/81 48/69 43/64 50/50 10/00 00/10 10/20 20/30 60/60 40/40 Shelby Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Shwrs 44/65 42/72 46/78 50/85 55/80 52/71 47/66 50/10 00/00 00/00 10/10 10/10 10/30 30/50 Chester Ptcldy Sunny Ptcldy Ptcldy Mocldy Ptcldy Shwrs 44/66 42/72 46/78 50/85 54/83 52/73 47/67 50/20 00/00 00/00 00/10 20/20 30/30 40/50 Chinook Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Shwrs 47/68 46/72 45/77 50/84 55/85 54/76 50/70 40/30 10/10 00/00 10/10 30/30 50/40 40/50 Conrad Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Shwrs 44/65 42/72 45/78 49/85 54/81 51/71 46/65 40/10 00/00 00/00 00/10 10/10 20/30 30/50 Choteau Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy 45/65 42/72 46/79 50/86 54/81 51/71 46/66 40/30 10/00 00/00 00/10 10/10 20/30 20/40 Fort Benton Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy 49/71 46/75 49/82 52/89 56/88 54/77 50/71 40/20 00/00 00/00 00/10 10/20 30/30 30/40 Stanford Ptcldy Sunny Ptcldy Ptcldy Ptcldy Tstrms Windy 47/64 43/68 45/75 50/81 53/81 51/69 46/64 40/40 10/00 00/20 10/20 20/40 40/60 40/40 White Sulphur Springs Ptcldy Sunny Ptcldy Ptcldy Ptcldy Tstrms Ptcldy 43/66 39/71 41/76 44/80 47/79 45/65 39/61 10/30 10/00 00/10 10/20 10/30 40/60 40/40 ...SOUTHWEST MONTANA... Bozeman Airport Sunny Sunny Sunny Ptcldy Ptcldy Tstrms Shwrs 46/74 42/77 45/82 47/86 50/85 48/70 41/66 10/00 00/00 00/00 00/20 10/20 50/70 60/50 Bozeman MSU Sunny Sunny Ptcldy Ptcldy Ptcldy Tstrms Tstrms 46/72 43/75 45/80 48/84 51/83 49/69 42/65 20/10 10/00 00/00 10/20 10/30 50/70 70/50 West Yellowstone Sunny Sunny Ptcldy Ptcldy Ptcldy Tstrms Ptcldy 37/72 35/77 38/79 38/79 41/77 40/64 32/59 40/00 00/00 00/10 10/10 00/10 30/60 50/40 Dillon Sunny Sunny Sunny Sunny Ptcldy Tstrms Ptcldy 45/75 43/78 46/82 48/86 50/82 47/70 39/65 10/00 00/00 00/10 10/10 10/20 30/50 40/40 Boulder Ptcldy Sunny Sunny Ptcldy Ptcldy Tstrms Ptcldy 47/71 43/75 47/80 50/84 52/79 49/67 42/63 00/20 00/00 00/10 00/30 10/30 40/60 40/40 Townsend Sunny Sunny Sunny Ptcldy Ptcldy Tstrms Ptcldy 50/73 47/77 50/81 52/85 55/84 51/70 45/66 00/10 00/00 00/10 00/20 10/30 50/70 50/40 Virginia City Sunny Sunny Sunny Ptcldy Ptcldy Tstrms Shwrs 45/68 42/70 46/74 48/77 51/75 48/63 39/58 20/00 00/00 00/10 10/20 10/20 40/70 50/50 $$ http://www.weather.gov/greatfalls